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1ce0eaa25f
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Author SHA1 Message Date
Chris Lattner
1ce0eaa25f Implement PR1143 (at -m64) by making basicaa look through extensions. We 
previously already handled it at -m32 because there were no i32->i64 
extensions for addressing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89959 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-26 18:53:33 +00:00
Chris Lattner
fa3966881f teach GetLinearExpression to be a bit more aggressive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89955 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-26 17:00:01 +00:00
Chris Lattner
856a72cf38 update status of this. basicaa is much improved now, 
only missing the one form (in this testcase).  Dan, do you
consider this example to be important?



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89953 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-26 16:42:00 +00:00
Chris Lattner
5d5261c819 Teach basicaa that x|c == x+c when the c bits of x are clear. This 
allows us to compile the example in readme.txt into:

LBB1_1:                                                     ## %bb
	movl	4(%rdx,%rax), %ecx
	movl	%ecx, %esi
	imull	(%rdx,%rax), %esi
	imull	%esi, %ecx
	movl	%esi, 8(%rdx,%rax)
	imull	%ecx, %esi
	movl	%ecx, 12(%rdx,%rax)
	movl	%esi, 16(%rdx,%rax)
	imull	%ecx, %esi
	movl	%esi, 20(%rdx,%rax)
	addq	$16, %rax
	cmpq	$4000, %rax
	jne	LBB1_1

instead of:

LBB1_1: 
	movl	(%rdx,%rax), %ecx
	imull	4(%rdx,%rax), %ecx
	movl	%ecx, 8(%rdx,%rax)
	imull	4(%rdx,%rax), %ecx
	movl	%ecx, 12(%rdx,%rax)
	imull	8(%rdx,%rax), %ecx
	movl	%ecx, 16(%rdx,%rax)
	imull	12(%rdx,%rax), %ecx
	movl	%ecx, 20(%rdx,%rax)
	addq	$16, %rax
	cmpq	$4000, %rax
	jne	LBB1_1

GCC (4.2) doesn't seem to be able to eliminate the loads in this 
testcase either, it generates:

L2:
	movl	(%rdx), %eax
	imull	4(%rdx), %eax
	movl	%eax, 8(%rdx)
	imull	4(%rdx), %eax
	movl	%eax, 12(%rdx)
	imull	8(%rdx), %eax
	movl	%eax, 16(%rdx)
	imull	12(%rdx), %eax
	movl	%eax, 20(%rdx)
	addl	$4, %ecx
	addq	$16, %rdx
	cmpl	$1002, %ecx
	jne	L2




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89952 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-26 16:26:43 +00:00
Chris Lattner
f6ac4d9dad teach basicaa that A[i] != A[i+1]. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89951 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-26 16:18:10 +00:00
Chris Lattner
61d2462400 rename test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89950 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-26 16:08:41 +00:00
Chris Lattner
d84eb911a9 Change the other half of aliasGEP (which handles GEP differencing) to use DecomposeGEPExpression. This dramatically simplifies and shrinks the code by eliminating the horrible CheckGEPInstructions method, fixes a miscompilation (@test3) and makes the code more aggressive. In particular, we now handle the @test4 case, which is reduced from the SmallPtrSet constructor. Missing this caused us to emit a variable length memset instead of a fixed size one. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89922 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-26 02:17:34 +00:00
Chris Lattner
4b7d0d9727 add a new random feature test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89921 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-26 02:16:28 +00:00
Evan Cheng
695b9f3d5e Test for 89905. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89906 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-26 00:35:01 +00:00
Dale Johannesen
36ccdd49f5 Test for llvm-gcc checkin 89898. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89899 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-25 23:50:09 +00:00
Evan Cheng
e7c9195706 ProcessImplicitDefs should watch out for invalidated iterator and extra implicit operands on copies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89880 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-25 21:13:39 +00:00
Bruno Cardoso Lopes
d71cebf575 Support PIC loading of constant pool entries 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89863 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-25 12:17:58 +00:00
Edward O'Callaghan
25798439da Reverting patch in revision 89758, initial attempt at fixing PR5373 has proven to be bogus. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89844 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-25 05:38:41 +00:00
Dale Johannesen
f7801b493e Do not store R31 into the caller's link area on PPC. 
This violates the ABI (that area is "reserved"), and
while it is safe if all code is generated with current
compilers, there is some very old code around that uses
that slot for something else, and breaks if it is stored
into.  Adjust testcases looking for current behavior.
I've verified that the stack frame size is right in all
testcases, whether it changed or not.  7311323.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89811 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-24 22:59:02 +00:00
Edward O'Callaghan
de8d3b73c8 Fix for PR5373, Credit to Jakub Staszak. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89758 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-24 11:51:52 +00:00
Evan Cheng
d7f0810c93 Enable predication of NEON instructions in Thumb2 mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89748 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-24 08:06:15 +00:00
Anton Korobeynikov
5cdc3a949a Materialize global addresses via movt/movw pair, this is always better 
than doing the same via constpool:
1. Load from constpool costs 3 cycles on A9, movt/movw pair - just 2.
2. Load from constpool might stall up to 300 cycles due to cache miss.
3. Movt/movw does not use load/store unit.
4. Less constpool entries => better compiler performance.

This is only enabled on ELF systems, since darwin does not have needed
relocations (yet).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89720 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-24 00:44:37 +00:00
Jim Grosbach
77b02beb1f move fconst[sd] to UAL. <rdar://7414913> 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89700 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-23 21:08:25 +00:00
Jim Grosbach
bbf56bb37b update test for 89694 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89695 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-23 20:39:53 +00:00
Dan Gohman
01b97dd01e Make ConstantFoldConstantExpression recursively visit the entire 
ConstantExpr, not just the top-level operator. This allows it to
fold many more constants.

Also, make GlobalOpt call ConstantFoldConstantExpression on
GlobalVariable initializers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89659 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-23 16:22:21 +00:00
Dan Gohman
8f3817f505 Fix a use of an invalidated iterator in the case where there are multiple 
adjacent uses of a dead basic block from the same user. This fixes PR5596.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89658 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-23 16:13:39 +00:00
Nick Lewycky
55bd8bd6eb Reapply r88830 with a bugfix: this transform only applies to icmp eq/ne. This 
fixes part of PR5438.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89639 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-23 03:17:33 +00:00
Chris Lattner
4723303c97 remove a silly condition that doesn't make a lot of sense anymore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89601 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-22 16:15:59 +00:00
Edward O'Callaghan
18d18b71d5 Miss two, PR5307. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89596 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-22 15:35:28 +00:00
Edward O'Callaghan
f4a93dd70e Convert Thumb2 tests to FileCheck for PR5307. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89595 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-22 15:18:27 +00:00
Benjamin Kramer
bfd987ba57 Turns out stuff gets allocated to different registers depending on the subtarget. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89594 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-22 15:15:52 +00:00
Edward O'Callaghan
11cc4fab52 Convert ARM tests to FileCheck for PR5307. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89593 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-22 14:23:33 +00:00
Benjamin Kramer
3ebd44d20f Convert test to FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89589 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-22 13:16:36 +00:00
Edward O'Callaghan
de9b6b1cd5 Forgot to alter RUN line when converting to FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89588 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-22 13:09:48 +00:00
Edward O'Callaghan
85d1aab444 Fix for bad FileCheck converts in revision 89584. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89586 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-22 12:50:05 +00:00
Edward O'Callaghan
81fff07daf Convert a few tests to FileCheck for PR5307. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89584 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-22 11:45:44 +00:00
Bob Wilson
2214dc0764 Fix pr5470. Tablegen handles template arguments by temporarily setting their 
values, resolving references to them, and then removing the definitions.
If a template argument is set to an undefined value, we need to resolve
references to that argument to an explicit undefined value.  The current code
leaves the reference to the template argument as it is, which causes an
assertion failure later when the definition of the template argument is
removed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89581 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-22 03:58:57 +00:00
Jim Grosbach
21ce2e3c74 Revert 89562. We're being sneakier than I was giving us credit for, and this 
isn't necessary.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89568 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-21 23:34:09 +00:00
Jim Grosbach
f3b33d0b2a Darwin requires a frame pointer for all non-leaf functions to support correct 
backtraces.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89562 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-21 21:40:08 +00:00
Jakob Stoklund Olesen
b99b63c2e5 Don't leave temporary files in the test directory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89531 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-21 02:05:31 +00:00
Dale Johannesen
5b8bce11d6 When generating a vector the really slow way, via loads 
and stores, handle the case where the element size is not
a valid target type correctly (PPC).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89521 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-21 00:53:23 +00:00
Evan Cheng
c26abd9487 Enable hoisting load from constant memories. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89510 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 23:31:34 +00:00
Sean Callanan
b9e6b34e1e Recommitting PALIGNR shift width fixes. 
Thanks to Daniel Dunbar for fixing clang intrinsics:
  http://llvm.org/viewvc/llvm-project?view=rev&revision=89499


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89500 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 22:28:42 +00:00
Dale Johannesen
5ca124691b Remove an incorrect overaggressive optimization 
(PPC specific).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89496 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 22:16:40 +00:00
Sean Callanan
1bbf6d1a6f Reverting PALIGNR fix until I figure out how this 
broke the Clang testsuite.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89495 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 22:09:28 +00:00
Sean Callanan
201dfa7432 Fixed PALIGNR to take 8-bit rotations in all cases. 
Also fixed the corresponding testcase, and the PALIGNR
  intrinsic (tested for correctness with llvm-gcc).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89491 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 21:40:28 +00:00
Dan Gohman
a58a04921d Make Loop::getLoopLatch() work on loops which don't have preheaders, as 
it may be used in contexts where preheader insertion may have failed due
to an indirectbr.

Make LoopSimplify's LoopSimplify::SeparateNestedLoop properly fail in
the case that it would require splitting an indirectbr edge.

These fix PR5502.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89484 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 20:51:18 +00:00
Dan Gohman
6a2392131e Fix IPSCCP's code for deleting dead blocks to tolerate outstanding 
blockaddress users. This fixes PR5569.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89483 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 20:19:14 +00:00
Evan Cheng
4aedb61d03 Remat VLDRD from constpool. Clean up some instruction property specifications. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89478 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 19:57:15 +00:00
Duncan Sands
c088ae8b84 Fix PR5558, which was caused by a wrong fix for PR3393 (see commit 63048), 
which was an expensive checks failure due to a bug in the checking.  This
patch in essence reverts the original fix for PR3393, and refixes it by a
tweak to the way expensive checking is done.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89454 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 10:45:10 +00:00
Benjamin Kramer
5da15364b9 Try to work around grep's "Binary file (standard input) matches" complaints seen 
on ppc buildbot.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89452 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 09:53:25 +00:00
Daniel Dunbar
f6ed7824c5 Fix -march= name for x86-64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89445 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 02:52:08 +00:00
Dan Gohman
b4afb137ef Fix fast-isel to avoid selecting the return instruction if a 
tail call has been encountered.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89444 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 02:51:26 +00:00
Evan Cheng
9b82425cb0 Also CSE non-pic load from constant pools. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89440 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 02:10:27 +00:00
Dan Gohman
ac146657fc Teach getSmallConstantTripMultiple about Shl operators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89426 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 01:09:34 +00:00